单选题：_____to reach them on the phone,we sent an e-mail instead.[..

Though _____ focus from work to family, the 34-year-old actress refuses to be a full-time housewife. [ ]A. having shifted B. to have shifted C. shifted D. being shifted

The country has already sent up three unmanned spacecrafts, the most recent ________at the end of last March. [ ]A. has been launchedB. having been launched C. being launched D. to be launched

____ the computer competition quite well, he won the first prize.A. Preparing B. Having preparedC. To prepare D. Prepared

_____of danger in the street at night, she had to go home, with a friend _____ her. [ ]A. Warned; accompaniedB. Warning; accompanying C. Having warned; accompaniedD. Having been warned; accompanying

_____ her emotion, she buried her face in her hands. [ ]A. Controlled B. To control C. Being controlled D. Having controlled